Subshrubs or small shrubs, deciduous, erect. Rhizome creeping, stolonlike, 1--2 mm in diam. Stem branched, 20--50 cm, smooth. Petiole 1--2 mm, widened toward base, abaxially striate-ridged, adaxially channeled, narrowly winged for ca. 2/3 its length; abscission zone distal; tendrils absent. Leaf blade abaxially glaucous, oblong-elliptic, 0.5--1.8 cm × 3--8 mm, papery, base obtuse, apex mucronate. Male flowers unknown. Female inflorescence of 1 umbel, basally not prophyllate; peduncle 5--7 mm; umbel 1- or 2-flowered, base not thickened; bracteoles ovate, very small; pedicels 3--5 mm. Fruit unknown.

* Mixed forests; 2400--2700 m. W Yunnan (Yangbi Xian).